Three Prime Ministers in the 20th century had historically important illnesses before they assumed office — Winston Churchill, Clement Attlee and Anthony Eden. To what extent did their ill health affect their policy decisions?

Jeremy Hugh Baron trained as a physician and scientist in Oxford, London and New York, and has honorary posts in the medical schools of Imperial College and Mount Sinai. His latest book is Anglo-American Biomedical Antecedents of Nazi Crimes.